The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-320-0650, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-320-0650 |
| Primary Part Number | 997256PC8 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 2.000 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 24.0 |
| Lateral Runout | 0.001 INCHES IN |
| Electrical Resistance Per Section | 9.5 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0600 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Undercut Width | 0.0600 INCHES NOMINAL IN |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Undercut Diameter | 1.877 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.05 TO 0.05 SINGLE SECTION |
| Shaft End Play | 0.001 INCHES IN |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 2.0000 INCHES NOMINAL IN |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.600 INCHES NOMINAL IN |
| Pilot Diameter | 1.8770 INCHES MAXIMUM IN |
| Body Length | 2.200 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Pilot Length | 0.0600 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3384.0 NOMINAL |
| Pilot Diameter Runout | 0.00100 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5905-00-320-0650 is a Resistor,variable,wire Wound,pre, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-320-0650 has 2 manufacturer part numbers on file: 997256PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 997256-8 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 997256PC8: Body Diameter: 2.000 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 24.0; Lateral Runout: 0.001 INCHES IN; Electrical Resistance Per Section: 9.5 KILOHMS SINGLE SECTION. 30 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.